/*
 * ====================================================================
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 */
package com.ndood.core.util;

import org.apache.http.HttpHost;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.CredentialsProvider;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.BasicCredentialsProvider;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

/**
 * 推荐使用代理云的方式
 * A simple example that uses HttpClient to execute an HTTP request
 * over a secure connection tunneled through an authenticating proxy.
 */
public class JavaClientProxyAuthentication {

    public static void main(String[] args) throws Exception {

        String proxyAddr = "";
        int proxyPort = 80;
        String proxyUsernm = "test";
        String proxyPasswd = "123456";
        
        CredentialsProvider credsProvider = new BasicCredentialsProvider();
        credsProvider.setCredentials(
                new AuthScope(proxyAddr, proxyPort),
                new UsernamePasswordCredentials(proxyUsernm, proxyPasswd));

        CloseableHttpClient httpclient = HttpClients.custom()
                .setDefaultCredentialsProvider(credsProvider).build();
        try {
            HttpHost target = new HttpHost("www.baidu.com", 443, "https");
            HttpHost proxy = new HttpHost(proxyAddr, proxyPort);

            RequestConfig config = RequestConfig.custom()
                .setProxy(proxy)
                .build();
            HttpGet httpget = new HttpGet("https://www.baidu.com/");
            httpget.setHeader("User-Agent", "Mozilla/5.0 (Windows NT 6.1; Win32) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36");
            httpget.setConfig(config);

            System.out.println("Executing request " + httpget.getRequestLine() + " to " + target + " via " + proxy);

            CloseableHttpResponse response = httpclient.execute(target, httpget);
            try {
                System.out.println(response.getStatusLine());
                System.out.println(EntityUtils.toString(response.getEntity()));
            } finally {
                response.close();
            }
        } finally {
            httpclient.close();
        }
    }
}
